debian:~# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:15:F2:02:C1:44
          inet addr:192.168.0.3  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::215:f2ff:fe02:c144/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:96 errors:0 dropped:0 overruns:0 frame:0
          TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:12636 (12.3 KiB)  TX bytes:28522 (27.8 KiB)
          Interrupt:5 Base address:0x6000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:101 errors:0 dropped:0 overruns:0 frame:0
          TX packets:101 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:23884 (23.3 KiB)  TX bytes:23884 (23.3 KiB)


debian:~# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.0.0     *               255.255.255.0   U     0      0        0 eth0
default         192.168.0.1     0.0.0.0         UG    0      0        0 eth0


debian:~# iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

debian:~# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:15:F2:02:C1:44  
          inet addr:192.168.0.3  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::215:f2ff:fe02:c144/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:132 errors:0 dropped:0 overruns:0 frame:0
          TX packets:117 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:15437 (15.0 KiB)  TX bytes:33958 (33.1 KiB)
          Interrupt:5 Base address:0x6000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:166 errors:0 dropped:0 overruns:0 frame:0
          TX packets:166 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:33034 (32.2 KiB)  TX bytes:33034 (32.2 KiB)

debian:~# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.0.0     *               255.255.255.0   U     0      0        0 eth0
default         192.168.0.1     0.0.0.0         UG    0      0        0 eth0



debian:~# iptables - L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination         

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination      

Andrea Girardello schrieb:
  

Per ripristinare la connessione non c'è ifup o ifdown che tenga (nemmeno
"/etc/init.d/networking restart" ) e, forse per le scarse conoscenze,
l'unico modo che mi rimane è un reboot del sistema...

Volevo quindi chiedervi se qualcuno con più esperienza di me, e magari
un'idea, potesse consigliarmi sul da farsi... ;-)
    

Ma la rete è ancora su?

Puoi mandarci gli output dei commandi:

ifconfig
route
iptables -L

Forse all'avvio di KDE vengono impostate delle rule della firewall o
qualche altra impostazione di rete.

Happy hacking!
Patrick

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